binomial_extra          Family object for fitting binomial (e.g.,
                        logistic, probit) regression model with
                        potentially unbounded continuous outcome
poisson_extra           Family object for fitting log-linear model with
                        potentially unbounded continuous outcome,
                        particularly with Poisson working likelihood
screen.glmnet.extra     SuperLearner screener using cv.glmnet that
                        works with the extra families
SL.glmnet.extra         SuperLearner wrapper for cv.glmnet that works
                        with the extra families
